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When the longhorn is about to die, it will exhibit the following characteristics:
1.Decreased vitality: When the longhorn is about to die, its vitality will decrease significantly, which is manifested as a slow response to external things, slow movement, and difficulty climbing.
2.Changes in physical condition: When the longhorn is about to die, its antennae, legs, and other parts of the body may show abnormal manifestations, such as antennal atrophy, weakness in the legs and feet, and body emaciation.
3.Abnormal behavior: When the longhorn is about to die, it may exhibit abnormal behavior, such as repeatedly flipping its body and making strange sounds.
4.Wound changes: If the longhorn beetle is dying due to poisoning or other reasons, its wound may change, such as the wound is blackened, and abnormal fluid is discharged.
It is important to note that the lifespan of a longhorn beetle varies depending on factors such as species, gender, and environment, so it is not possible to judge the specific lifespan of a longhorn beetle based on the above symptoms. If you notice that the longhorn beetle is showing abnormal behavior, please consult a professional as soon as possible for treatment.
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Immobility or slow movement for long periods of time.
The longhorn beetle is a herbivorous insect, which will harm woody plants, most of the pine, cypress, willow, elm, walnut, citrus, apple, peach and tea, etc., some cotton, wheat, corn, sorghum, sugarcane and hemp, etc., a few wood, buildings, houses and furniture, etc., are the main pests on forestry production, crop cultivation and building wood.
The longhorn beetle, a general term for insects of the multiphagous suborder longhorn beetle, has chewing mouthparts and has long antennae, often exceeding the length of the body. Its larvae live in wood and can be harmful to trees or buildings.
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According to the damage period, damage location and different insect ages of longhorn larvae, a variety of methods were used to prevent and control insect branches, tree trunk spraying, wire hook insecticide, trunk injection, cotton wool blocking the insect passage, trunk whitening and trunk spraying, and wrapping the trunk with film. Here's how:
1. Artificial prevention and control of longhorn beetle. Taking advantage of the feigned death of the adult beetle, the adult can be killed by shaking the branch in the morning or after the rain to shake the adult to the ground. Or use a small sharp knife to kill the eggs in the hatching tank during the oviposition period of the adult worms.
In the larval stage, the branches are often inspected, and when insects are found, the larvae are killed by digging up the cortex with a knife, and the dead shoots are found to be pruned in time and treated intensively.
2. Pharmaceutical prevention and control of longhorn beetle. Over the years, the main pesticides tried over the years are dichlorvos, phosphine, dimethoate, insecticide, pine borer, phoxanthion, phosphophos, insecticide, dimethoate, fluoroacetamide and other sprays.
3. The trunk is painted white to prevent and control the longhorn beetle. 10 parts of quicklime, 1 part of sulfur powder, salt, bovine glue (melted in hot water in advance), 30 40 parts of water, or add trichlorfon parts, and mix into a whitening agent. Additional Information:
The longhorn beetle is an important pest of street trees, shelterbelts, courtyard parks, factories and mines, school greening trees and stump bonsai, and the trees are more seriously affected, and a few species are harmful to herbaceous flowers. The larval stage is the most severe damage to plants, and although adults can sometimes cause more or less damage due to egg-laying and feeding on branches and leaves, it is generally not serious. In production practice, the Chinese working people have long known that the longhorn beetle is a pest that buries and eats trees.
Li Shizhen said in the "Compendium of Materia Medica": "Tianniu has ,...... everywhereIt is also made of beetles." These two sentences fully show people's understanding of the ordinariness and harmfulness of the occurrence of the longhorn beetle.
Su Dongpo has a poem: "The two corners grow by themselves, and they don't accept the box when they fly in the air." What good is it for the ox?
Kiss the hole of this ant withered mulberry. "Larval erosion and pits often hinder their normal growth, reduce yields, weaken trees, and shorten their lifespans. When the damage is severe, it can even lead to rapid withering and death of the tree. Trees that have been eroded are often susceptible to the invasion of other pests and germs, and are susceptible to strong winds.
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